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cmake/Source/cmakemain.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
// include these first, otherwise there will be problems on Windows
// with GetCurrentDirectory() being redefined
#ifdef CMAKE_BUILD_WITH_CMAKE
#include "cmDynamicLoader.h"
#include "cmDocumentation.h"
#endif
#include "cmake.h"
#include "cmCacheManager.h"
#include "cmListFileCache.h"
#include "cmakewizard.h"
#include "cmSourceFile.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#ifdef CMAKE_BUILD_WITH_CMAKE
//----------------------------------------------------------------------------
static const char * cmDocumentationName[][3] =
{
{0,
" cmake - Cross-Platform Makefile Generator.", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
static const char * cmDocumentationUsage[][3] =
{
{0,
" cmake [options] <path-to-source>\n"
" cmake [options] <path-to-existing-build>", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
static const char * cmDocumentationDescription[][3] =
{
{0,
"The \"cmake\" executable is the CMake command-line interface. It may "
"be used to configure projects in scripts. Project configuration "
"settings "
"may be specified on the command line with the -D option. The -i option "
"will cause cmake to interactively prompt for such settings.", 0},
CMAKE_STANDARD_INTRODUCTION,
{0,0,0}
};
#define CMAKE_BUILD_OPTIONS \
" <dir> = Project binary directory to be built.\n" \
" --target <tgt> = Build <tgt> instead of default targets.\n" \
" --config <cfg> = For multi-configuration tools, choose <cfg>.\n" \
" --clean-first = Build target 'clean' first, then build.\n" \
" (To clean only, use --target 'clean'.)\n" \
" --use-stderr = Don't merge stdout/stderr.\n" \
" -- = Pass remaining options to the native tool.\n"
//----------------------------------------------------------------------------
static const char * cmDocumentationOptions[][3] =
{
CMAKE_STANDARD_OPTIONS_TABLE,
{"-E", "CMake command mode.",
"For true platform independence, CMake provides a list of commands "
"that can be used on all systems. Run with -E help for the usage "
"information. Commands available are: chdir, compare_files, copy, "
"copy_directory, copy_if_different, echo, echo_append, environment, "
"make_directory, md5sum, remove, remove_directory, rename, tar, time, "
"touch, touch_nocreate. In addition, some platform specific commands "
"are available. "
"On Windows: comspec, delete_regv, write_regv. "
"On UNIX: create_symlink."},
{"-i", "Run in wizard mode.",
"Wizard mode runs cmake interactively without a GUI. The user is "
"prompted to answer questions about the project configuration. "
"The answers are used to set cmake cache values."},
{"-L[A][H]", "List non-advanced cached variables.",
"List cache variables will run CMake and list all the variables from the "
"CMake cache that are not marked as INTERNAL or ADVANCED. This will "
"effectively display current CMake settings, which can be then changed "
"with -D option. Changing some of the variable may result in more "
"variables being created. If A is specified, then it will display also "
"advanced variables. If H is specified, it will also display help for "
"each variable."},
{"--build <dir>", "Build a CMake-generated project binary tree.",
"This abstracts a native build tool's command-line interface with the "
"following options:\n"
CMAKE_BUILD_OPTIONS
"Run cmake --build with no options for quick help."},
{"-N", "View mode only.",
"Only load the cache. Do not actually run configure and generate steps."},
{"-P <file>", "Process script mode.",
"Process the given cmake file as a script written in the CMake language. "
"No configure or generate step is performed and the cache is not"
" modified. If variables are defined using -D, this must be done "
"before the -P argument."},
{"--find-package", "Run in pkg-config like mode.",
"Search a package using find_package() and print the resulting flags "
"to stdout. This can be used to use cmake instead of pkg-config to find "
"installed libraries in plain Makefile-based projects or in "
"autoconf-based projects (via share/aclocal/cmake.m4)."},
{"--graphviz=[file]", "Generate graphviz of dependencies.",
"Generate a graphviz input file that will contain all the library and "
"executable dependencies in the project."},
{"--system-information [file]", "Dump information about this system.",
"Dump a wide range of information about the current system. If run "
"from the top of a binary tree for a CMake project it will dump "
"additional information such as the cache, log files etc."},
{"--debug-trycompile", "Do not delete the try_compile build tree. Only "
"useful on one try_compile at a time.",
"Do not delete the files and directories created for try_compile calls. "
"This is useful in debugging failed try_compiles. It may however "
"change the results of the try-compiles as old junk from a previous "
"try-compile may cause a different test to either pass or fail "
"incorrectly. This option is best used for one try-compile at a time, "
"and only when debugging." },
{"--debug-output", "Put cmake in a debug mode.",
"Print extra stuff during the cmake run like stack traces with "
"message(send_error ) calls."},
{"--trace", "Put cmake in trace mode.",
"Print a trace of all calls made and from where with "
"message(send_error ) calls."},
{"--warn-uninitialized", "Warn about uninitialized values.",
"Print a warning when an uninitialized variable is used."},
{"--warn-unused-vars", "Warn about unused variables.",
"Find variables that are declared or set, but not used."},
{"--no-warn-unused-cli", "Don't warn about command line options.",
"Don't find variables that are declared on the command line, but not "
"used."},
{"--check-system-vars", "Find problems with variable usage in system "
"files.", "Normally, unused and uninitialized variables are searched for "
"only in CMAKE_SOURCE_DIR and CMAKE_BINARY_DIR. This flag tells CMake to "
"warn about other files as well."},
{"--help-command cmd [file]", "Print help for a single command and exit.",
"Full documentation specific to the given command is displayed. "
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-command-list [file]", "List available listfile commands and exit.",
"The list contains all commands for which help may be obtained by using "
"the --help-command argument followed by a command name. "
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-commands [file]", "Print help for all commands and exit.",
"Full documentation specific for all current command is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-compatcommands [file]", "Print help for compatibility commands. ",
"Full documentation specific for all compatibility commands is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-module module [file]", "Print help for a single module and exit.",
"Full documentation specific to the given module is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-module-list [file]", "List available modules and exit.",
"The list contains all modules for which help may be obtained by using "
"the --help-module argument followed by a module name. "
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-modules [file]", "Print help for all modules and exit.",
"Full documentation for all modules is displayed. "
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-custom-modules [file]" , "Print help for all custom modules and "
"exit.",
"Full documentation for all custom modules is displayed. "
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-policy cmp [file]",
"Print help for a single policy and exit.",
"Full documentation specific to the given policy is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-policies [file]", "Print help for all policies and exit.",
"Full documentation for all policies is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-property prop [file]",
"Print help for a single property and exit.",
"Full documentation specific to the given property is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-property-list [file]", "List available properties and exit.",
"The list contains all properties for which help may be obtained by using "
"the --help-property argument followed by a property name. If a file is "
"specified, the help is written into it."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-properties [file]", "Print help for all properties and exit.",
"Full documentation for all properties is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-variable var [file]",
"Print help for a single variable and exit.",
"Full documentation specific to the given variable is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-variable-list [file]", "List documented variables and exit.",
"The list contains all variables for which help may be obtained by using "
"the --help-variable argument followed by a variable name. If a file is "
"specified, the help is written into it."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{"--help-variables [file]", "Print help for all variables and exit.",
"Full documentation for all variables is displayed."
"If a file is specified, the documentation is written into and the output "
"format is determined depending on the filename suffix. Supported are man "
"page, HTML, DocBook and plain text."},
{0,0,0}
};
//----------------------------------------------------------------------------
static const char * cmDocumentationSeeAlso[][3] =
{
{0, "ccmake", 0},
{0, "cpack", 0},
{0, "ctest", 0},
{0, "cmakecommands", 0},
{0, "cmakecompat", 0},
{0, "cmakemodules", 0},
{0, "cmakeprops", 0},
{0, "cmakevars", 0},
{0, 0, 0}
};
//----------------------------------------------------------------------------
static const char * cmDocumentationNOTE[][3] =
{
{0,
"CMake no longer configures a project when run with no arguments. "
"In order to configure the project in the current directory, run\n"
" cmake .", 0},
{0,0,0}
};
#endif
int do_cmake(int ac, char** av);
static int do_build(int ac, char** av);
static cmMakefile* cmakemainGetMakefile(void *clientdata)
{
cmake* cm = (cmake *)clientdata;
if(cm && cm->GetDebugOutput())
{
cmGlobalGenerator* gg=cm->GetGlobalGenerator();
if (gg)
{
cmLocalGenerator* lg=gg->GetCurrentLocalGenerator();
if (lg)
{
cmMakefile* mf = lg->GetMakefile();
return mf;
}
}
}
return 0;
}
static std::string cmakemainGetStack(void *clientdata)
{
std::string msg;
cmMakefile* mf=cmakemainGetMakefile(clientdata);
if (mf)
{
msg = mf->GetListFileStack();
if (!msg.empty())
{
msg = "\n Called from: " + msg;
}
}
return msg;
}
static void cmakemainErrorCallback(const char* m, const char*, bool&,
void *clientdata)
{
std::cerr << m << cmakemainGetStack(clientdata) << std::endl << std::flush;
}
static void cmakemainProgressCallback(const char *m, float prog,
void* clientdata)
{
cmMakefile* mf = cmakemainGetMakefile(clientdata);
std::string dir;
if ((mf) && (strstr(m, "Configuring")==m) && (prog<0))
{
dir = " ";
dir += mf->GetCurrentDirectory();
}
else if ((mf) && (strstr(m, "Generating")==m))
{
dir = " ";
dir += mf->GetCurrentOutputDirectory();
}
if ((prog < 0) || (!dir.empty()))
{
std::cout << "-- " << m << dir << cmakemainGetStack(clientdata)<<std::endl;
}
std::cout.flush();
}
int main(int ac, char** av)
{
cmSystemTools::EnableMSVCDebugHook();
cmSystemTools::FindExecutableDirectory(av[0]);
if(ac > 1 && strcmp(av[1], "--build") == 0)
{
return do_build(ac, av);
}
int ret = do_cmake(ac, av);
#ifdef CMAKE_BUILD_WITH_CMAKE
cmDynamicLoader::FlushCache();
#endif
return ret;
}
int do_cmake(int ac, char** av)
{
int nocwd = 0;
if ( cmSystemTools::GetCurrentWorkingDirectory().size() == 0 )
{
std::cerr << "Current working directory cannot be established."
<< std::endl;
nocwd = 1;
}
#ifdef CMAKE_BUILD_WITH_CMAKE
cmDocumentation doc;
doc.addCMakeStandardDocSections();
if(doc.CheckOptions(ac, av, "-E") || nocwd)
{
// Construct and print requested documentation.
cmake hcm;
hcm.AddCMakePaths();
doc.SetCMakeRoot(hcm.GetCacheDefinition("CMAKE_ROOT"));
// the command line args are processed here so that you can do
// -DCMAKE_MODULE_PATH=/some/path and have this value accessible here
std::vector<std::string> args;
for(int i =0; i < ac; ++i)
{
args.push_back(av[i]);
}
hcm.SetCacheArgs(args);
const char* modulePath = hcm.GetCacheDefinition("CMAKE_MODULE_PATH");
if (modulePath)
{
doc.SetCMakeModulePath(modulePath);
}
std::vector<cmDocumentationEntry> commands;
std::vector<cmDocumentationEntry> policies;
std::vector<cmDocumentationEntry> compatCommands;
std::vector<cmDocumentationEntry> generators;
std::map<std::string,cmDocumentationSection *> propDocs;
hcm.GetPolicyDocumentation(policies);
hcm.GetCommandDocumentation(commands, true, false);
hcm.GetCommandDocumentation(compatCommands, false, true);
hcm.GetPropertiesDocumentation(propDocs);
hcm.GetGeneratorDocumentation(generators);
doc.SetName("cmake");
doc.SetSection("Name",cmDocumentationName);
doc.SetSection("Usage",cmDocumentationUsage);
doc.SetSection("Description",cmDocumentationDescription);
doc.AppendSection("Generators",generators);
doc.PrependSection("Options",cmDocumentationOptions);
doc.SetSection("Commands",commands);
doc.SetSection("Policies",policies);
doc.AppendSection("Compatibility Commands",compatCommands);
doc.SetSections(propDocs);
cmDocumentationEntry e;
e.Brief =
"variables defined by cmake, that give information about the project, "
"and cmake";
doc.PrependSection("Variables that Provide Information",e);
doc.SetSeeAlsoList(cmDocumentationSeeAlso);
int result = doc.PrintRequestedDocumentation(std::cout)? 0:1;
// If we were run with no arguments, but a CMakeLists.txt file
// exists, the user may have been trying to use the old behavior
// of cmake to build a project in-source. Print a message
// explaining the change to standard error and return an error
// condition in case the program is running from a script.
if((ac == 1) && cmSystemTools::FileExists("CMakeLists.txt"))
{
doc.ClearSections();
doc.SetSection("NOTE", cmDocumentationNOTE);
doc.Print(cmDocumentation::UsageForm, 0, std::cerr);
return 1;
}
return result;
}
#else
if ( nocwd || ac == 1 )
{
std::cout <<
"Bootstrap CMake should not be used outside CMake build process."
<< std::endl;
return 0;
}
#endif
bool wiz = false;
bool sysinfo = false;
bool command = false;
bool list_cached = false;
bool list_all_cached = false;
bool list_help = false;
bool view_only = false;
cmake::WorkingMode workingMode = cmake::NORMAL_MODE;
std::vector<std::string> args;
for(int i =0; i < ac; ++i)
{
if(!command && strcmp(av[i], "-i") == 0)
{
wiz = true;
}
else if(!command && strcmp(av[i], "--system-information") == 0)
{
sysinfo = true;
}
// if command has already been set, then
// do not eat the -E
else if (!command && strcmp(av[i], "-E") == 0)
{
command = true;
}
else if (!command && strcmp(av[i], "-N") == 0)
{
view_only = true;
}
else if (!command && strcmp(av[i], "-L") == 0)
{
list_cached = true;
}
else if (!command && strcmp(av[i], "-LA") == 0)
{
list_all_cached = true;
}
else if (!command && strcmp(av[i], "-LH") == 0)
{
list_cached = true;
list_help = true;
}
else if (!command && strcmp(av[i], "-LAH") == 0)
{
list_all_cached = true;
list_help = true;
}
else if (!command && strncmp(av[i], "-P", strlen("-P")) == 0)
{
if ( i == ac -1 )
{
cmSystemTools::Error("No script specified for argument -P");
}
else
{
workingMode = cmake::SCRIPT_MODE;
args.push_back(av[i]);
i++;
args.push_back(av[i]);
}
}
else if (!command && strncmp(av[i], "--find-package",
strlen("--find-package")) == 0)
{
workingMode = cmake::FIND_PACKAGE_MODE;
args.push_back(av[i]);
}
else
{
args.push_back(av[i]);
}
}
if(command)
{
int ret = cmake::ExecuteCMakeCommand(args);
return ret;
}
if (wiz)
{
cmakewizard wizard;
return wizard.RunWizard(args);
}
if (sysinfo)
{
cmake cm;
int ret = cm.GetSystemInformation(args);
return ret;
}
cmake cm;
cmSystemTools::SetErrorCallback(cmakemainErrorCallback, (void *)&cm);
cm.SetProgressCallback(cmakemainProgressCallback, (void *)&cm);
cm.SetWorkingMode(workingMode);
int res = cm.Run(args, view_only);
if ( list_cached || list_all_cached )
{
cmCacheManager::CacheIterator it =
cm.GetCacheManager()->GetCacheIterator();
std::cout << "-- Cache values" << std::endl;
for ( it.Begin(); !it.IsAtEnd(); it.Next() )
{
cmCacheManager::CacheEntryType t = it.GetType();
if ( t != cmCacheManager::INTERNAL && t != cmCacheManager::STATIC &&
t != cmCacheManager::UNINITIALIZED )
{
bool advanced = it.PropertyExists("ADVANCED");
if ( list_all_cached || !advanced)
{
if ( list_help )
{
std::cout << "// " << it.GetProperty("HELPSTRING") << std::endl;
}
std::cout << it.GetName() << ":" <<
cmCacheManager::TypeToString(it.GetType())
<< "=" << it.GetValue() << std::endl;
if ( list_help )
{
std::cout << std::endl;
}
}
}
}
}
// Always return a non-negative value. Windows tools do not always
// interpret negative return values as errors.
if(res != 0)
{
return 1;
}
else
{
return 0;
}
}
//----------------------------------------------------------------------------
static int do_build(int ac, char** av)
{
#ifndef CMAKE_BUILD_WITH_CMAKE
std::cerr << "This cmake does not support --build\n";
return -1;
#else
std::string target;
std::string config = "Debug";
std::string dir;
std::vector<std::string> nativeOptions;
bool clean = false;
cmSystemTools::OutputOption outputflag = cmSystemTools::OUTPUT_MERGE;
enum Doing { DoingNone, DoingDir, DoingTarget, DoingConfig, DoingNative};
Doing doing = DoingDir;
for(int i=2; i < ac; ++i)
{
if(doing == DoingNative)
{
nativeOptions.push_back(av[i]);
}
else if(strcmp(av[i], "--target") == 0)
{
doing = DoingTarget;
}
else if(strcmp(av[i], "--config") == 0)
{
doing = DoingConfig;
}
else if(strcmp(av[i], "--clean-first") == 0)
{
clean = true;
doing = DoingNone;
}
else if(strcmp(av[i], "--use-stderr") == 0)
{
outputflag = cmSystemTools::OUTPUT_NORMAL;
}
else if(strcmp(av[i], "--") == 0)
{
doing = DoingNative;
}
else
{
switch (doing)
{
case DoingDir:
dir = av[i];
doing = DoingNone;
break;
case DoingTarget:
target = av[i];
doing = DoingNone;
break;
case DoingConfig:
config = av[i];
doing = DoingNone;
break;
default:
std::cerr << "Unknown argument " << av[i] << std::endl;
dir = "";
break;
}
}
}
if(dir.empty())
{
std::cerr <<
"Usage: cmake --build <dir> [options] [-- [native-options]]\n"
"Options:\n"
CMAKE_BUILD_OPTIONS
;
return 1;
}
// Hack for vs6 that passes ".\Debug" as "$(IntDir)" value:
//
if (cmSystemTools::StringStartsWith(config.c_str(), ".\\"))
{
config = config.substr(2);
}
cmake cm;
return cm.Build(dir, target, config, nativeOptions, clean, outputflag);
#endif
}
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